{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:DUUKTLBLBBI2B3BDUSUVKFZ5X6","short_pith_number":"pith:DUUKTLBL","canonical_record":{"source":{"id":"2307.04031","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-07-08T18:50:08Z","cross_cats_sorted":[],"title_canon_sha256":"24f8830aa3026cb8c3148e78c50c14f7970b4446fe903280178f62637045debb","abstract_canon_sha256":"a97ff2b040c8788f935ac193f04ee3c94d4f80e8083ab0cfa59646984fdad4b9"},"schema_version":"1.0"},"canonical_sha256":"1d28a9ac2b0851a0ec23a4a955173dbfa4bfb89f3fc9cc4b5c971d64fe929d79","source":{"kind":"arxiv","id":"2307.04031","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.04031","created_at":"2026-07-05T06:29:07Z"},{"alias_kind":"arxiv_version","alias_value":"2307.04031v1","created_at":"2026-07-05T06:29:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.04031","created_at":"2026-07-05T06:29:07Z"},{"alias_kind":"pith_short_12","alias_value":"DUUKTLBLBBI2","created_at":"2026-07-05T06:29:07Z"},{"alias_kind":"pith_short_16","alias_value":"DUUKTLBLBBI2B3BD","created_at":"2026-07-05T06:29:07Z"},{"alias_kind":"pith_short_8","alias_value":"DUUKTLBL","created_at":"2026-07-05T06:29:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:DUUKTLBLBBI2B3BDUSUVKFZ5X6","target":"record","payload":{"canonical_record":{"source":{"id":"2307.04031","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-07-08T18:50:08Z","cross_cats_sorted":[],"title_canon_sha256":"24f8830aa3026cb8c3148e78c50c14f7970b4446fe903280178f62637045debb","abstract_canon_sha256":"a97ff2b040c8788f935ac193f04ee3c94d4f80e8083ab0cfa59646984fdad4b9"},"schema_version":"1.0"},"canonical_sha256":"1d28a9ac2b0851a0ec23a4a955173dbfa4bfb89f3fc9cc4b5c971d64fe929d79","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:29:07.337245Z","signature_b64":"qCVI01LZEFx0quTwqxr5VnTssA0kGfw9Tmu9tR/760qm9yXYo0mQrgWF/4i6BVMr1CMP/HueEEmDaMpwk4ZcCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1d28a9ac2b0851a0ec23a4a955173dbfa4bfb89f3fc9cc4b5c971d64fe929d79","last_reissued_at":"2026-07-05T06:29:07.336822Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:29:07.336822Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2307.04031","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:29:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NG2HPIXJXh2m23K50J5povmrYj8jCtJw/l0+GZTYNurAcDe5WIxn/SnZPglIrG6zs/PFlwUvdPPfhdocA4SNDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T15:52:28.862151Z"},"content_sha256":"73a202e38dcff2f3c2cfb49fac4df1462e7314835c730c7fb6cd74cbd0528621","schema_version":"1.0","event_id":"sha256:73a202e38dcff2f3c2cfb49fac4df1462e7314835c730c7fb6cd74cbd0528621"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:DUUKTLBLBBI2B3BDUSUVKFZ5X6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optimising the observation of optical kilonovae with medium size telescopes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. E. Camisasca, C. Guidorzi, I. A. Steele, M. Bulla, M. Shrestha","submitted_at":"2023-07-08T18:50:08Z","abstract_excerpt":"We consider the optimisation of the observing strategy (cadence, exposure time and filter choice) using medium size (2-m class) optical telescopes in the follow-up of kilonovae localised with arcminute accuracy to be able to distinguish among various kilonova models and viewing angles. To develop an efficient observation plan, we made use of the synthetic light curves obtained with the Monte Carlo radiative transfer code POSSIS for different kilonova models and as a function of different viewing angles and distances. By adding the appropriate photon counting noise to the synthetic light curves"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.04031","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2307.04031/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:29:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YUyoSEKQOZcfLTuH/oCBjC9CCaREklnEYjRajS2GptyqjvObSXP1XIpSGoGhIoir6zApOprC86/YKw/vvGHaBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T15:52:28.862665Z"},"content_sha256":"69c497f13f987aec5a6d4e5c7c6da6171a0b4401e78180b9333e8d5f4b38e594","schema_version":"1.0","event_id":"sha256:69c497f13f987aec5a6d4e5c7c6da6171a0b4401e78180b9333e8d5f4b38e594"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DUUKTLBLBBI2B3BDUSUVKFZ5X6/bundle.json","state_url":"https://pith.science/pith/DUUKTLBLBBI2B3BDUSUVKFZ5X6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DUUKTLBLBBI2B3BDUSUVKFZ5X6/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-03T15:52:28Z","links":{"resolver":"https://pith.science/pith/DUUKTLBLBBI2B3BDUSUVKFZ5X6","bundle":"https://pith.science/pith/DUUKTLBLBBI2B3BDUSUVKFZ5X6/bundle.json","state":"https://pith.science/pith/DUUKTLBLBBI2B3BDUSUVKFZ5X6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DUUKTLBLBBI2B3BDUSUVKFZ5X6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:DUUKTLBLBBI2B3BDUSUVKFZ5X6","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"a97ff2b040c8788f935ac193f04ee3c94d4f80e8083ab0cfa59646984fdad4b9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-07-08T18:50:08Z","title_canon_sha256":"24f8830aa3026cb8c3148e78c50c14f7970b4446fe903280178f62637045debb"},"schema_version":"1.0","source":{"id":"2307.04031","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.04031","created_at":"2026-07-05T06:29:07Z"},{"alias_kind":"arxiv_version","alias_value":"2307.04031v1","created_at":"2026-07-05T06:29:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.04031","created_at":"2026-07-05T06:29:07Z"},{"alias_kind":"pith_short_12","alias_value":"DUUKTLBLBBI2","created_at":"2026-07-05T06:29:07Z"},{"alias_kind":"pith_short_16","alias_value":"DUUKTLBLBBI2B3BD","created_at":"2026-07-05T06:29:07Z"},{"alias_kind":"pith_short_8","alias_value":"DUUKTLBL","created_at":"2026-07-05T06:29:07Z"}],"graph_snapshots":[{"event_id":"sha256:69c497f13f987aec5a6d4e5c7c6da6171a0b4401e78180b9333e8d5f4b38e594","target":"graph","created_at":"2026-07-05T06:29:07Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2307.04031/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We consider the optimisation of the observing strategy (cadence, exposure time and filter choice) using medium size (2-m class) optical telescopes in the follow-up of kilonovae localised with arcminute accuracy to be able to distinguish among various kilonova models and viewing angles. To develop an efficient observation plan, we made use of the synthetic light curves obtained with the Monte Carlo radiative transfer code POSSIS for different kilonova models and as a function of different viewing angles and distances. By adding the appropriate photon counting noise to the synthetic light curves","authors_text":"A. E. Camisasca, C. Guidorzi, I. A. Steele, M. Bulla, M. Shrestha","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-07-08T18:50:08Z","title":"Optimising the observation of optical kilonovae with medium size telescopes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.04031","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:73a202e38dcff2f3c2cfb49fac4df1462e7314835c730c7fb6cd74cbd0528621","target":"record","created_at":"2026-07-05T06:29:07Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"a97ff2b040c8788f935ac193f04ee3c94d4f80e8083ab0cfa59646984fdad4b9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-07-08T18:50:08Z","title_canon_sha256":"24f8830aa3026cb8c3148e78c50c14f7970b4446fe903280178f62637045debb"},"schema_version":"1.0","source":{"id":"2307.04031","kind":"arxiv","version":1}},"canonical_sha256":"1d28a9ac2b0851a0ec23a4a955173dbfa4bfb89f3fc9cc4b5c971d64fe929d79","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1d28a9ac2b0851a0ec23a4a955173dbfa4bfb89f3fc9cc4b5c971d64fe929d79","first_computed_at":"2026-07-05T06:29:07.336822Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:29:07.336822Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qCVI01LZEFx0quTwqxr5VnTssA0kGfw9Tmu9tR/760qm9yXYo0mQrgWF/4i6BVMr1CMP/HueEEmDaMpwk4ZcCA==","signature_status":"signed_v1","signed_at":"2026-07-05T06:29:07.337245Z","signed_message":"canonical_sha256_bytes"},"source_id":"2307.04031","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:73a202e38dcff2f3c2cfb49fac4df1462e7314835c730c7fb6cd74cbd0528621","sha256:69c497f13f987aec5a6d4e5c7c6da6171a0b4401e78180b9333e8d5f4b38e594"],"state_sha256":"3da64e50af06d9bf4a8c03865bcdfecede0771bb6aa9ec23b82075bad5b9c91a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Seu78ShbG1v2qylnOoFSulgA2zUxZ+efE/hYHGrx3jRZ/wzOgdyF57Tf05kmij7ezLaCjaV9jAUq5ZgeCRMOBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T15:52:28.867996Z","bundle_sha256":"2417b5eaa4beca5a51b57236e7e2d4e36a7f05c4499b1f1ac59ff93638083e55"}}